<template>
  <div>
    <div class="todo-container">
      <div class="todo-wrap">
        <Header @addNewTodo="addNewTodo" />
        <Content
          :todoList="todoList"
          @singleChecked="singleChecked"
          @singleDelete="singleDelete"
        />
        <Footer
          :todoList="todoList"
          @checkTypeAll="checkTypeAll"
          @clearComplate="clearComplate"
        />
      </div>
    </div>
  </div>
</template>
<script lang="ts">
import { defineComponent, isMemoSame } from 'vue';

export default defineComponent({
  name: 'App',
});
</script>

<script setup lang="ts">
// 引入组件
import Header from './components/Header/index.vue';
import Content from './components/Content/index.vue';
import Footer from './components/Footer/index.vue';

// 引入
import { ref } from 'vue';
import { nanoid } from 'nanoid';

// 引入类型
import type { todoItemType, todoListType } from './App';

// 定义数据
const todoList = ref<todoListType>([
  {
    id: nanoid(),
    thing: '吃饭',
    done: false,
  },
  {
    id: nanoid(),
    thing: '睡觉',
    done: false,
  },
  {
    id: nanoid(),
    thing: '打盹',
    done: true,
  },
]);

// 接收content组件传递自定义事件函数
// 单个选中项
const singleChecked = (index: number) => {
  // 直接取反
  todoList.value[index].done = !todoList.value[index].done;
  console.log(todoList.value);
};

// 单个删除
const singleDelete = (index: number) => {
  todoList.value.splice(index, 1);
};

// 添加新的数据
const addNewTodo = (newTodo: todoItemType) => {
  // 在数组的最前面将传递过来的数据插入进去
  todoList.value.unshift(newTodo);
};

// footer组件的全选
const checkTypeAll = (checkType: boolean) => {
  todoList.value.forEach((item) => (item.done = checkType));
};

// footer组件的删除已完成功能
const clearComplate = () => {
  // 将所有没完成的保留，所以要取反
  todoList.value = todoList.value.filter((item) => !item.done);
};
</script>

<style lang="scss">
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}
</style>
